<!DOCTYPE html>
<body style="height:10000px; overflow:hidden;">
  <div style="position:fixed; left:50px; top:50px; width:100px; height:100px; overflow:hidden;">
    <div style="position:absolute; left:0; top:0; width:100px; height:100px; background:red; will-change:opacity;"></div>
    <div style="position:absolute; left:0; top:0; width:100px; height:100px; background:green;"></div>
  </div>
  <script>
    scrollTo(0, 150);
  </script>
</body>
